/*内容区域*/
.container{
  overflow: hidden;
}
/*左侧导航栏*/
aside{
  width: 180px;
  height: 881px;
  position: absolute;
  left: 0;
  top: 60px;
  background-color: #343E4A;
  color: white;
  font-size: 14px;
}
aside ul{
  margin-top:20px
}
aside li{
  width: 100%;
  margin: 0;
}
aside li a{
  display: block;
  padding: 15px 20px;
  color: white;
}
aside li a:hover{
  background-color: #4d5a63;
}
aside li a.now{
  background-color: #2a9de8;
}
aside li span{
  float: right;
}
.user_show{
  display: inline-block;
  padding: .25em .4em;
  font-size: 75%;
  font-weight: 700;
  vertical-align:baseline;
  height:20px;
  line-height: 1;
  text-align: center;
  white-space: nowrap;
  border-radius: .25rem;
  transition: color .15s ease-in-out,background-color .15s ease-in-out,border-color .15s ease-in-out,box-shadow .15s ease-in-out;
}
.user_show::after,.user_show::before{
  box-sizing: border-box;
}
.user_on{
  color: #fff;
  background-color: #007bff;
}
.user_off{
  color: #fff;
  background-color: #dc3545;
}
